---
title: Refinery Overview
sidebarTitle: Overview
description: Overview of the different refinery available in Chonkie
icon: "pen-nib"
iconType: "solid"
---

Refinery is a module in Chonkie that allows you to refine chunks.
Refineries help you to add additional `context` to your chunks which are useful to improve the quality of your embeddings and keyword indexing.

<CardGroup cols={2}>
  <Card
    title="OverlapRefinery"
    icon="pen-nib"
    href="/oss/refinery/overlap-refinery"
  >
    Refines chunks by adding overlapping chunks to the original chunk.
  </Card>
  <Card
    title="EmbeddingsRefinery"
    icon="pen-nib"
    href="/oss/refinery/embeddings-refinery"
  >
    Refines chunks by adding embeddings to the original chunk.
  </Card>
</CardGroup>
